Begni Gérard, Escadafal Richard, Fontannaz Delphine and Hong-Nga Nguyen Anne-Thérèse, 2005. Remote sensing: a tool to monitor and assess desertification. Les dossiers thématiques du CSFD. Issue 2. 44 pp. - A whole range of satellites and sensors allows environmental monitoring, comparisons in time and space, and then a better understanding of ecosystems and planet functioning. This document explains how to pass from satellite data to useful information for combating desertification.